RedactedNarrative: V1 OPERATOR STATED HE WAS TROLLING (FISHING) GOING APPROX. 3MPH.  HE ALSO STATED HE IS HARD OF HEARING AND DID NOT HEAR OR SEE V2 UNTIL IMPACT. V2 OPERATOR STATED HE WAS MAKING SEVERAL PASSES ON THE LAKE BREAKING IN HIS NEW MOTOR AND WATCHING THE RPM GAUGE TO MAKE SURE HE WAS NOT EXCEEDING THE RECOMMENDED RPM.  HE FURTHER STATED HE DID NOT SEE V1 AND IT WASN'T UNTIL HE WAS EJECTED INTO THE WATER THAT HE REALIZED WHAT HE HIT.