VEHICLE WAS ENTERING THE DRIVE WAY WHEN THE BRAKE PEDDLE WENT TO THE FLOOR AND THE VEHICLE ACCELERATED. THE VEHICLE WENT OVER A PATIO AND STRUCK AN ABOVE GROUND POOL. THE POOL WAS DESTROYED. THE VEHICLE STOPPED AFTER HITTING THE POOL AND CAME TO REST WITH THE FRONT TIRES OFF THE WALL OF THE PATIO.THE FRONT RIGHT OF THE VEHICLE WAS RESTING ON THE UNI-BODY FRAME JUST BEHIND THE FRONT TIRES.