THE PILOT STATED THAT THE 2400 FOOT LONG TURF RUNWAY WAS WET. WINDS WERE LIGHT & VARIABLE. AFTER LANDING, THE FLAPS WERE RETRACTED & THE BRAKES APPLIED. THE AIRPLANE SLID FOR ABOUT 1000 FEET WITHOUT SLOWING. A GO-AROUND WAS BEGUN DURING WHICH THE AIRPLANE ACCELERATED TO 82 MPH, ACCORDING TO THE PILOT. THE LEFT WING STRUCK A HIGH CLUMP OF HEDGES AT THE RUNWAY END, YAWED OUT OF CONTROL, THEN COLLIDED WITH THE GROUND. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL MALFUNCTIONS.