diff --git a/src/handlers/substitute_status.rs b/src/handlers/substitute_status.rs
index b63e3e1..e5f48cf 100644
--- a/src/handlers/substitute_status.rs
+++ b/src/handlers/substitute_status.rs
@@ -5,7 +5,7 @@ use owo_colors::{OwoColorize, Style};
 
 use crate::{
     action::{Action, ActionType, BuildStepId, ResultFields, StartFields},
-    download_display::{StyledString, style_bar},
+    download_display::{DOWNLOAD_STYLE, EXTRACT_STYLE, StyledString, style_bar},
     estimator::Estimator,
     handlers::{Handler, fetch::FetchHandler},
     multibar::{BarSegment, MultiBar},
@@ -50,6 +50,8 @@ impl Handler for CopyPathsHandler {
 pub struct SubstitutionStatusHandler {
     id: BuildStepId,
     progress: ProgressBar,
+    download_estimator: Estimator,
+    extract_estimator: Estimator,
     state_copy: HashMap<BuildStepId, [u64; 2]>,
     state_transfer: HashMap<BuildStepId, [u64; 2]>,
     state_self: [u64; 2],
@@ -62,6 +64,8 @@ impl SubstitutionStatusHandler {
         let mut new = Self {
             id: *id,
             progress,
+            download_estimator: Estimator::new(Instant::now()),
+            extract_estimator: Estimator::new(Instant::now()),
             state_copy: HashMap::new(),
             state_transfer: HashMap::new(),
             state_self: [0, 0],
@@ -93,6 +97,7 @@ impl SubstitutionStatusHandler {
         }
         let dl_percent = ((self.get_done() as f64 / self.max_transfer as f64) * 100.0) as u64;
         let ex_percent = ((self.get_unpacked() as f64 / self.max_copy as f64) * 100.0) as u64;
+        let expected = ((self.get_running() as f64 / self.get_done() as f64) * 100.0) as u64;
         let min = dl_percent.min(ex_percent);
         let dl = dl_percent.saturating_sub(min);
         let mbar = MultiBar([
@@ -100,13 +105,34 @@ impl SubstitutionStatusHandler {
             BarSegment::Dynamic(&DOWNLOAD_CHAR, dl),
             BarSegment::Dynamic(" ", 100 - min - dl),
         ]);
+
+        let work_per_sec = if self.get_done() < self.max_transfer {
+            StyledString::new(
+                Cow::Owned(format!(
+                    "{}",
+                    HumanBytes(self.download_estimator.steps_per_second(Instant::now()) as u64)
+                )),
+                DOWNLOAD_STYLE,
+            )
+        } else {
+            StyledString::new(
+                Cow::Owned(format!(
+                    "{}",
+                    HumanBytes(self.extract_estimator.steps_per_second(Instant::now()) as u64)
+                )),
+                EXTRACT_STYLE,
+            )
+        };
         let msg = style_bar(
             StyledString::new(Cow::Owned("Downloading".to_string()), Style::new()),
             StyledString::new(
-                Cow::Owned(format!("{}/{}", self.state_self[0], self.state_self[1])),
+                Cow::Owned(format!(
+                    "{}/{} {}",
+                    self.state_self[0], self.state_self[1], expected
+                )),
                 Style::new().purple(),
             ),
-            StyledString::new(Cow::Owned(format!("awa")), Style::new().yellow()),
+            work_per_sec,
             self.get_done() as usize,
             self.get_unpacked() as usize,
             mbar,
@@ -176,11 +202,16 @@ impl Handler for SubstitutionStatusHandler {
                 }
                 if let Some(copy) = self.state_copy.get_mut(id) {
                     *copy = [*done, *expected];
+                    self.extract_estimator
+                        .record(self.get_unpacked(), Instant::now());
                     self.draw_bar(state.term_width);
                 }
 
                 if let Some(transfer) = self.state_transfer.get_mut(id) {
                     *transfer = [*done, *expected];
+
+                    self.download_estimator
+                        .record(self.get_done(), Instant::now());
                     self.draw_bar(state.term_width);
                 }
                 Ok(true)
diff --git a/src/main.rs b/src/main.rs
index ac6393a..a4528f4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -45,7 +45,7 @@ fn main() -> Result<(), color_eyre::Report> {
 
     for line in lines.lines() {
         let line = line.strip_prefix("@nix ").unwrap_or(line);
-        sleep(Duration::from_nanos(500));
+        sleep(Duration::from_millis(1));
         let action = action::Action::parse(line)?;
         state.handle(&action)?;
         // match action {