DRIVING VERY SLOWLY ACROSS POND LEVEE, MASHED ACCELERATOR,ENGINE INCREASED SPEED TO APPROXIMATELY 70 MPH, BRAKES WOULD NOT STOP IT. VEHICLE PLUNGED INTO LAKE, SEVERLY INJURING DRIVER AND PASSENGER, AND HITTING DRAIN PLUG OF LAKE, CAUSING DRAINAGE AND LOSS OF FISH, ETC.,LAKE APPROXIMATELY 20 FEET DEEP AND, BOTH INJURED PASSENGERS ALMOST DROWNED. BOTH SUSTAINED PERMANENT INJURIES. *AK