PARKING AT NURSERY SHOP, CAR WENT OUT OF CONTROL SPEEDING AND RUNNING OVER THE CONCRETE STOPER AND NURSERY FENCE. IT WAS A SUDDEN ACCELERATION AND VEHICLE COULD NOT BE STOPPED. THE CAR WAS MOVING IN SLOW MOTION TO PARK AND HAD A SUDDEN ACCELERATION THAT CAUSED THE ACCIDENT. VERY SCARY. TRIED TO STOP PRESSING THE BRAKES BUT THE CAR WOULD NOT RESPOND. NO INJURIES BUT IT COULD HAPPEN TO ANYONE ANYWHERE.