RedactedNarrative: V1 and V2 were doing "doughnuts". V2 came into V1's path and V1 collided with V2. 
  V1 and V2 were both doing "doughnuts" adjacent to each other. V2 came out of his turn and headed towards V1 who was still in the act of spinning in circles. V1 backed off the throttle which made the front of his vessel dip down. V1 then collided into the right midship of V2 with the front right of his vessel.