EE WAS PASSENGER IN A PICK UP TRUCK TRAVELING DOWN THE QUARRY #33 RAMP. BRAKE LINE BROKE AND DRIVER COULD NOT STOP THE TRUCK. DRIVER APPLIED EMERGENCY BRAKE AND ATTEMPTED TO PUT TRUCK IN PARK, TRUCK CONTINUED TO MOVE, PASSENGER OPENED DOOR AND JUMPED FROM TRUCK. DRIVER CONTINUED DOWN THE RAMP AND DROVE TRUCK INTO PILE OF EARTH, NO DAMAGE TO TRUCK OR INJURY TO DRIVER.