www.fraps.com.
By the way, FPS is locked to what you set it to be in the advanced graphics menu. The important thing to look at is, that PO doesn't go over 100. When that happens the game slows down game time compared to real time, so that game time progesses slower. Everytime you PO is above 100 you are driving in slowmotion.
It's only after we've lost everything, that we are free to do anything.