DT: OWNS 2001 FORD EXPLORER, BOTH DRIVER AND PASSENGER ARE PREGNANT. HAD JUST ENTERED INTERSTATE AND WAS DRIVING ABOUT 70 MPH AND TRIED TO SLOW DOWN TO ABOUT 65MPH. TRIED TO TAP BRAKE BUT HEARD ENGINE REV UP AND IT IMMEDIATELY SPED BACK UP. TAPPED BRAKE AGAIN AND KNEW SOMETHING WAS WRONG. ENGAGED HAZARD LIGHTS AND TRIED TO PULL OFF ROAD. DOWN SHIFTED TO 2ND GEAR,THEN TO 1ST, AND SLOWED TO ABOUT 50 MPH. TRIED TO ENGAGE EMERGENCY BRAKE WITH NO LUCK. WAS USING BOTH BRAKES WHILE TRAVELING IN THE GRASS UPHILL. WHEN IT SLOWED TO ABOUT 15-20 MPH PASSENGER JUMPED FROM VEHICLE. VEHICLE CONTINUED TO REV UP, DRIVER LET OFF BRAKE WHILE TRYING TO ESCAPE AND WAS SLUNG FROM VEHICLE. THE EXPLORER WENT BACK AND CROSSED 4 LANES OF TRAFFIC, ENTERED ONTO SERVICE ROAD WHERE IT STRUCK A TREE. FROM THERE THE VEHICLE ACCELERATED UP THE TREE UP-ROOTING IT. THE TIRES CAUGHT FIRE AND BYSTANDER TRIED TO PUT OUT THE FIRE WITH AN ICE CHEST AND AGAIN IT CAUGHT ON FIRE. *TT