DT*: THE CONTACT STATED THERE WAS A STRANGE ODOR LIKE ROTTEN EGGS OBSERVED IN THE VEHICLE. WHILE STOPPED AND WAITING FOR A PARKING SPACE TO OPEN UP, THE ENGINE REVVED AND ACCELERATED FORWARD ALTHOUGH THE BRAKES WERE DEPRESSED. THE SPEED AT IMPACT WITH THE OTHER VEHICLE WAS 40 MPH. AFTER THE IMPACT THE IGNITION WAS TURNED OFF HOWEVER THE ENGINE WAS RACING AND THE FRONT WHEELS WERE STILL SPINNING AND SMOKING. THE SEATBELTS WERE WORN AT THE TIME OF IMPACT, BUT REMOVED TO EXIT THE VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED AND THE CONTACT WAS SENT TO THE HOSPITAL.