How to solve this issue on Animator in Unity3D?

Question

Unity

There is a shooting animation, and a code that allows you to shoot.
The problem is that the animation (of the shot) that lasts 0:10 plays after the first shot, but then plays after the 3rd shot, 6th, 9th.
I also set the time between two shots, if you pick up, the rate of fire of the weapon becomes very small.

If something is not clear, ask, I will add.

Answer 1

Speed ​​up animation.