diff --git a/src/demo/bridge.cpp b/src/demo/bridge.cpp
index 5df85f9..6a3f50d 100644
--- a/src/demo/bridge.cpp
+++ b/src/demo/bridge.cpp
@@ -124,7 +124,7 @@ namespace demo {
       }
     }
 
-    float duration = 1.f / 120.0f;
+    float duration = 1.f / (60.0f * 3);
 
     for (int i = 0; i < particles_length; i++) {
       particles[i].integrate(duration);
@@ -165,6 +165,9 @@ namespace demo {
   {
     _update();
     _update();
+    _update();
+    _update();
+    _update();
   }
 
   void bridge::draw_hud(ta_parameter_writer& writer)