diff --git a/stuntcat/scenes/unisharklazer/__init__.py b/stuntcat/scenes/unisharklazer/__init__.py
index e612859..d80e9cd 100644
--- a/stuntcat/scenes/unisharklazer/__init__.py
+++ b/stuntcat/scenes/unisharklazer/__init__.py
@@ -493,7 +493,7 @@ def _angry_people(self, time_delta):
     def _collide_flying_objects(self):
         """object physics"""
         height = self.height
-        dt_scaled = self.dt_scaled
+        dt_scaled = self.dt_scaled * 0.25
 
         # move fish and not fish
         for fish in reversed(self.fish.sprites()):