Strikers acceleration decreasing drastically

[cheisa]

Hey

My strikers acceleration got reduced by 4, two times in two years, which is pretty depressing.
Anyone knows why this happens, he didnt have any major injuries.

https://gyazo.com/fb6218e313b2762a01e667a71e28d9bd

 

[Snorks]

Is it his age?
Injury?

Your training?