Audio is low on screener Racing thrills on the Detroit River, as the big hydroplanes battle it out for the silver cup on a three mile course. Speeds are up near the hundred mark as tempo vii hurtles across the finish for the winner's trophy. Establishing shot - The hydroplanes racing with high rooster tails of water behind them. MCUS - Two hydroplanes neck and neck. CUS - Hydroplane reaching a speed near the 100 MPH. MCUS - Among all this noise and wave making there's a duck swimming in the water. MCUS - Tempo 7, winner of the race and a referee waving the checker flag.