WE WERE PARKED IN A PARKING LOT. MY WIFE GOT INTO THE CAR, PUT HER FOOT ON THE BRAKE TO TAKE THE CAR OUT OF PARK, AND PUT THE CAR IN REVERSE. THE CAR ACCELERATED RAPIDLY BACKWARD WITH THE ENGINE REVVING AND NO EFFECT FROM THE BRAKES, AND HIT A POLE. WITH THE ENGINE STILL RACING, MY WIFE THEN PUT THE CAR IN DRIVE, STILL WITH HER FOOT ON THE BRAKE, AND IT SPED FORWARD RUNNING INTO THE BACK OF A PICKUP TRUCK. THE ENGINE WAS RACING AND THERE WAS NO EFFECT WITH PUSHING ON THE BRAKE. THE PICKUP TRUCK WAS PUSHED FORWARD ABOUT A FOOT HITTING A GUARD RAIL IN THE FRONT OF THE PARKING SPACE.