what a great question!
doesn't this happen in real life, too, though? (with respect to Fald's reply) seems to me I've seen it while traveling. do our eyes "see" at a certain rate?

as far as a term goes: if there isn't one already, let's make one. how about:
revolucity



... or does that only apply to planets?

don't forget music.




formerly known as etaoin...