Sudden FPS drop after half time or any cutscene

There are lots of bugs I am facing and I have tried multiple time to try to connect EA help but I am not getting any solution for it.

My FPS drop suddenly to 2-3 fps after half time or any cutscene and due to this I am unable to continue the game and unfortunately I have to force quit the game everytime. If anyone is facing the same issue, do let me know how you have resolve this bug