diff --git a/game/commands.go b/game/commands.go
index 65f728c..722b279 100644
--- a/game/commands.go
+++ b/game/commands.go
@@ -20,14 +20,15 @@ func doCommand(cmd command, s State, teamID int) State {
 	if r == nil {
 		return s
 	}
+	r.Kinetics.A = 0
 
 	switch cmd {
 	case speedUp:
-		r.Kinetics.A += da
+		r.Kinetics.A = da
 		*r = accelerate(*r)
 		s = updateRacer(s, *r)
 	case slowDown:
-		r.Kinetics.A -= da
+		r.Kinetics.A = -da
 		*r = accelerate(*r)
 		s = updateRacer(s, *r)
 	case left:
diff --git a/game/game.go b/game/game.go
index a97b83e..d35dbf1 100644
--- a/game/game.go
+++ b/game/game.go
@@ -37,7 +37,7 @@ func maybePassBaton(s State, teamID int) State {
 			h.Kinetics.A = 0
 			s = updateRacer(s, *h)
 			newH := t.Racers[i]
-			newH.Kinetics.A = baseAccel
+			//newH.Kinetics.A = baseAccel
 			t.Baton.HolderID = newH.ID
 			s = updateTeam(s, t)
 			return updateRacer(s, newH)