VEHICLE WAS IDLING IN PARK, WAS SHIFTED INTO DRIVE WHILE FOOT WAS ON THE BRAKE, VEHICLE ACCELERATED TO APPROX. 60 MPH WHILE FOOT WAS PRESSED AS HARD AS POSSIBLE ON BRAKES AND WAS ONLY STOPPED BY SHIFTING INTO NEUTRAL. ENGINE WAS STILL RACING AT FULL THROTTLE UNTIL SHUT OFF. CAR WAS TOWED TO MECHANIC WHERE THE PROBLEM IS STILL BEING DIAGNOSED. *AK