WAS PARKING THE CAR IN A SMALL CONGESTED COMMERCIAL PARKING AREA. I TURNED A CORNER AND SAW A SPACE, BUT HAD TO BACK UP TO PULL IN STRAIGHT. AS I PROCEEDED VERY SLOWLY, I WAS ONLY A FEW FEET FROM THE PARKED CAR FACING MY CAR. SUDDENLY, AS I WAS ABOUT TO STOP MY CAR, THE ENGINE RACED AND MY CAR JUMPED FORWARD INTO THE FRONT OF THE OTHER CAR. AS I WAS ONLY A VERY SHORT DISTANCE FROM THE CAR, MY CAR DID NOT HAVE TIME TO ACCELERATE TO ANY GREAT SPEED.