THE VAN ACCELERATED WHEN PULLING INTO AN ANGLED PARKING SPACE AT WALMART, VILLA RICA, GEORGIA AND IMPACTED A PARKED CAR IN THE ADJACENT ROW, CAUSING THAT VEHICLE TO ROLL BACKWARD FOR APPROXIMATELY 20 FEET BEFORE IMPACTING A THIRD CAR. OUR VAN WAS STOPPED IN THE PARKING SPACE PREVIOUSLY OCCUPIED BY THE 2ND VEHICLE. WITNESSES REPORTED HEARING STRANGE NOISES AND SAW THE IMPACT AS IT OCCURRED.NO INJURIES. VEHICLE IS BEING REPAIRED AND WILL BE EXAMINED BY THE REPAIR SHOP TO SEE IF THEY CAN DETERMINE WHAT OCCURRED. *TR