momentum:
     type: world
     events:
         on player jumps:
             - adjust <player> has_friction:false
         on player starts sprinting:
-            - if <player.speed> !> 20:
-                - adjust <player> speed:<player.speed>
-                - adjust <player> has_friction:true
+            - while <context.state>:
+                - if <player.speed> <= 0.29:
+                    - wait 0.1s
+                    - adjust <player> speed:<player.speed.add[0.02]>
+                    - announce <player.speed>
+                    - adjust <player> has_friction:true
+        on player stops sprinting:
+                - adjust <player> speed:0.11