diff --git a/Engine b/Engine
index 1dc8f3d..5d897f2 160000
--- a/Engine
+++ b/Engine
@@ -1 +1 @@
-Subproject commit 1dc8f3d272b2b46e2778d9439a5f8605ab3092ff
+Subproject commit 5d897f2f56c711629f8cbf915d0ed112cf21680f
diff --git a/Game/Behaviours/BallBehaviour.cs b/Game/Behaviours/BallBehaviour.cs
index d8800bc..2e6ff53 100644
--- a/Game/Behaviours/BallBehaviour.cs
+++ b/Game/Behaviours/BallBehaviour.cs
@@ -60,7 +60,7 @@ public class BallBehaviour : BehaviourOverride
         if (rigidBody.Velocity.MagnitudeSquared <= 0.01f)
             return;
 
-        Vector2D speedUp = rigidBody.Velocity.Normalized * (float)Time.Elapsed.TotalMilliseconds;
+        Vector2D speedUp = rigidBody.Velocity.Normalized * Time.DeltaTimeFrame;
         rigidBody.Velocity += speedUp * SpeedUpMultiplier;
     }
 
diff --git a/Game/Behaviours/MovementBallBehaviour.cs b/Game/Behaviours/MovementBallBehaviour.cs
index 6998aeb..3d584f9 100644
--- a/Game/Behaviours/MovementBallBehaviour.cs
+++ b/Game/Behaviours/MovementBallBehaviour.cs
@@ -32,7 +32,7 @@ public class MovementBallBehaviour : BehaviourOverride
         if (rigidBody.Velocity.MagnitudeSquared <= 0.01f)
             return;
 
-        Vector2D speedUp = rigidBody.Velocity.Normalized * (float)Time.Elapsed.TotalMilliseconds;
+        Vector2D speedUp = rigidBody.Velocity.Normalized * Time.DeltaTimeFrame;
         rigidBody.Velocity += speedUp * SpeedUpMultiplier;
     }