THE PILOT REPORTED THAT HE WAS HOLDING TO TAKEOFF ON RUNWAY 22 WHILE WAITING FOR WEATHER TO CLEAR WEST OF THE AIRPORT. HE NOTICED THERE WAS GOOD WEATHER TO THE EAST AND ELECTED TO TAKEOFF WITH A TAILWIND ON RUNWAY 11, THE SHORTEST RUNWAY. DURING THE TAKEOFF ROLL, HE NOTICED THE AIRSPEED WAS NOT BUILDING FAST ENOUGH, SO HE ELECTED TO ABORT THE TAKEOFF. HE WAS UNABLE TO STOP ON THE REMAINING RUNWAY, WHICH WAS WET. THE AIRPLANE SKIDDED INTO WET SAND OFF THE END OF THE RUNWAY, AND THE LANDING GEAR COLLAPSED. NO PRE-ACCIDENT MALFUNCTION OR FAILURE OF THE AIRCRAFT OR ENGINE WAS EVIDENT.