Have you ever use reheating booster in this game? If not yet, let's try doing the following procedure. #1. Accelerate your kite with pressing A button as usual. #2. When "BOOSTER AVAILABLE" blinks on speedmeter, continue pressing A and R(or L) buttons in order to activate reheating booster. #3. While reheating booster is activated, your kite can fly at supersonic speed.