WHILE BRAKING CAR STARTED TO SLID AND SUDDENLY ACCRETED WHAT SEEMED LIKE FULL THROTTLE. I MANAGED TO GET THE CAR IN PARK WHILE ENGINE WAS REVVING AND TIRED CONTINUED TO SPIN. I HAD TO TURN SWITCH OFF TO STOP CAR FROM LUNGING FORWARD AND TIRES SPINNING. ALL OF THIS HAPPENED ON A CITY STREET AND I TRIED TO TURN LEFT TO GET CAR OFF OF MAIN ROAD.