У вашего броузера проблема в совместимости с HTML5
Top speed run, with an HPI Cyber 10B.
67kph, or about 42mph
-HPI Flux 5700 motor/ESC combo
-Venom 7.4V 2S 20C/30C 5400mAh lipo
-stock HPI tires
-23/85 gearing
The car could probably benefit from more street-worthy tires. These don't allow much traction and the soft compound ballooning makes it even worse.