Hi BIS team,
The animations of the diver, specifically the movement of diver's fins are way too fast. I'm 10 years old scuba diver and y can guarantee you that no one move sooo fast his fins. First of all because you will spent your oxygen very fast, and second one, because the fins must break the water resistance, and with the size of the fins of arma 3 you can't do it so fast (try it if you sont believe me!!)
Best regards.