Added missing unit conversion

editor/js/tools/settingstool.js

@@ -18,7 +18,7 @@ export default class SettingsTool extends Tool {
         } else if (key === RESIMULATE_KEY) {
             graph.restartSimulation();
         } else if (key === PHYSICS_DELAY_KEY) {
-            graph.physicsDelay = value;
+            graph.physicsDelay = Number(value) * 1000;  // Convert seconds to ms
         }
     }
 }