RedactedNarrative: Vessel 2 was pulling passengers 9 and 10 on a tube. Vessel 1 operator began to try and spray the tube occupants with water from his PWC. Vessel 1 driver then sped up in front of vessel 2, made a sharp turn and threw himself off into the path of vessel 2. Vessel 2 operator was unable to avoid striking vessel 1 operator in the water.