Published: Dec 12, 2011 2:00 PM EST

LEE COUNTY, Fla.    This morning, one person is in critical condition after falling off a speeding go kart in Olga.
    Florida Highway Patrol is investigating the crash on Park Way.
   They say the driver  29-year-old Christopher Yeary of Fort Myers  was speeding  when the wheel fell off.
    22 -year -old Mark Williams of Fort Myers was  hanging on the back of the go kart and crashed to the ground hitting his head on the road.
   He is in critical condition.
    Yeary suffered a possible leg injury.
  Charges are pending at this time.