diff --git a/lib/demo/bowling.lua b/lib/demo/bowling.lua
index cedf176..546e740 100644
--- a/lib/demo/bowling.lua
+++ b/lib/demo/bowling.lua
@@ -272,7 +272,7 @@ function launchBall()
     launch_time = ag.elapsedTime()
     bowling_ball = reference_ball:clone()
     bowling_ball:setPosition(position_x, -10, 1.26)
-    local fx = target_x + accuracy * 1.2 - position_x
+    local fx = target_x + accuracy * 3 - position_x
     local fy = 30               -- should match setCamera()'s dy
     local d = math.sqrt(fx*fx + fy*fy)
     fx = fx / d
@@ -413,7 +413,7 @@ function drawAccuracyBar(width, height)
     local bar_height = 60
     if (game_state == "get_accuracy") then
         local now = ag.elapsedTime()
-        accuracy = accuracy + (now - accuracy_last_time) / 200 * accuracy_direction
+        accuracy = accuracy + (now - accuracy_last_time) / 300 * accuracy_direction
         if (accuracy > 1) then
             accuracy = 1
             accuracy_direction = -1