diff --git a/src/client/pages/Home.tsx b/src/client/pages/Home.tsx
index dff30d1..cb92f63 100644
--- a/src/client/pages/Home.tsx
+++ b/src/client/pages/Home.tsx
@@ -488,11 +488,11 @@ export default function Home({ workspace }: { workspace: WorkspacePayload }) {
         // Tame the edge auto-scroll. dnd-kit's default acceleration (10) scrolls
         // the board ~2000px/s when a dragged card reaches the left/right edge —
         // far too fast to land in the intended column on a phone, where only
-        // ~one column is visible (PROG-79 follow-up). Halving acceleration caps
-        // the top speed while keeping the smooth 5ms scroll cadence (lowering it
-        // further is the knob to turn if it's still fast; raising `interval`
-        // instead would make the motion choppy).
-        autoScroll={{ acceleration: 5 }}
+        // ~one column is visible (PROG-79 follow-up). acceleration 2 caps it at
+        // ~320px/s (≈ one column per second) while keeping the smooth 5ms scroll
+        // cadence — deliberate and controllable. It's the single knob to dial
+        // (raising `interval` instead would make the motion choppy).
+        autoScroll={{ acceleration: 2 }}
         onDragStart={onDragStart}
         onDragOver={onDragOver}
         onDragEnd={onDragEnd}