I had a quick look about to see what the eye/brain can actually perceive and the below is interesting. We can appreciate frame rates far higher than I thought.
A pilot identifying a plane displayed for 1/220th of a second (reddit link) is pretty impressive.
https://www.quora.com/What-is-the-highest-frame-rate-fps-tha...
https://www.reddit.com/r/askscience/comments/1vy3qe/how_many...