Car Accelerates On Its Own problems of the 2009 Mazda RX8

Tl-the contact owns a 2009 Mazda Rx8. While driving approximately 40 mph the vehicle accelerated unintendedly to approximately 70 mph. He engaged the vehicle into neutral and the engine continued to rev very hard. The contact stated he turned the ignition off to prevent the engine from blowing up. He then pulled over to the side of the road and engaged the accelerator four times and it released itself. He called the dealer after the first failure and was advised by them that they were not aware of this type of failure. The contact stated the failure had happen twice. The contact stated he called the dealer again and has an appointment for April 22, 2011. He contacted the manufacturer and they were attempting to get the vehicle in before the 22nd. The vehicle had not been repaired. The failure mileage was 39,600 and the current mileage was 39,700. Vwb.