The moment that the race starts, you will hear the roar of the thunder. The noise that you hear is the engine running at top speed. This is essential in the race as it means that the engine is ready to be run at top speed. Speed is what you need to win the game other than your skill as a driver.
Drive your car as fast as you can to cross the finish line twice. Use the booster whenever you need it since it slowly regenerates by itself. You need to get at least the third spot to be able to unlock the next track. Use the prize money to upgrade your car after the race.