MY SON TURNED RIGHT FROM A COMPLETE STOP AT THE STOP SIGN. HE ACCELERATED TO THE APPROPRIATE SPEED PRIOR TO THE UPCOMING TURN (25MPH) HE THEN LET OFF THE GAS GOING INTO THE TURN TO COAST BEFORE BRAKING. THE CAR CONTINUED TO ACCELERATE UP TO 40-45 MPH DUE TO FLOOR MAT ENTRAPMENT BECAUSE THERE IS NO FLOOR MAT RETENTION SYSTEM. HE WAS LOSING CONTROL OF THE CAR AS HE TRIED TO MOVE THE FLOOR MAT AWAY FROM THE GAS PEDAL. HE THEN SLID OFF THE ROAD WHILE CONTINUING TO BRAKE, OVERCORRECTED AND WENT OFF THE OTHER SIDE AS WELL. ALL THE WHILE HE WAS TRYING TO STOP THE CAR. *TR