MY MOTHER HAD PICKED UP MY NIECE FROM HER SCHOOL AND WAS WAITING FOR MY NEPHEW AND HIS FRIEND TO GET OUT OF HIGH SCHOOL. WHEN READY TO GO, THE CAR WAS DIFFICULT TO START. TOOK ABOUT 10 MIN TO GET THE CAR TO START. AFTER THE CAR STARTED, WENT INTO REVERSE AND BACKED OUT OF THE PARKING SPACE. PUT THE CAR IN DRIVE AND IT "CHUGGED" A COUPLE OF TIMES. THEN THE CAR ACCELERATED UNEXPECTEDLY. SHE WAS UNABLE TO SLOW THE CAR DOWN BY APPLYING THE BRAKES. THE CAR TRAVELED 460 FEET ACCELERATING THE WHOLE TIME.THE APPROXIMATE SPEED OF THE CAR WAS BETWEEN 60-80 MPH. AT THE END OF THE PARKING LOT, SHE TURNED LEFT AND THE CAR HIT A CURB LAUNCHING THEM INTO A POLE THAT HOLDS UP THE CHAIN LINK FENCING AROUND THE SCHOOL. THEY WENT THRU THE FENCING AND INTO THE BLOCK WALL BEHIND IT COMING TO REST THERE. ALL 4 OCCUPANTS WERE SEEN BY A DOCTOR AND RELEASED THAT DAY. MY MOTHER HAS NUMEROUS CUTS AND BRUISES. MY NEPHEW SHOULDER AND BACK ARE HURTING HIM. MY NIECE HAS SCRAPES ON THE RIGHT ARM FROM THE BLOCK WALL. MY NEPHEWS FRIEND HAS A BLACK EYE. *TR