I WAS LEAVING A STOP SIGN AND ACCELERATED FROM 1ST TO 2ND. I WAS GOING ABOUT 30MPH IN SECOND WHEN SUDDENLY, THE VEHICLE WENT TO A WOT (WIDE OPEN THROTTLE) CONDITION. THE SUDDEN ACCELERATION CAUSED THE REAR OF THE CAR TO SPIN, STRIKING A TREE. THE ACCELERATION WAS SUDDEN AND COMPLETELY UNEXPECTED. THIS IS THE SECOND SUCH OCCASION THAT THIS CONDITION OCCURRED. CRUISE CONTROL WAS SET TO ON AS IT WAS USED BEFORE REACHING THE STOP SIGN. ALSO, STOCK FLOOR MATS WERE IN PLACE. *TR