It is not enough to simply copy how an animal attacks. Nor is speed the answer.
Both body and mind must behave differently.
Neigong trains the body to move in a kung fu way; with connected, soft musculature and sensitivity.
Relaxation is imperative.

Unless your body is incredibly relaxed and balanced, it cannot move spontaneously in any direction.
Similarly, the mind must become quiet and alert.
Emotion must subside and awareness must grow considerably.
Mind, body and emotion are joined in every action - this joining is called shen.