mm=sqrt(60")^-1. That's simple, testable, disprovable, repeatable. And since I am the only one who can explain the proof, I am happy with your using it to taken your government-forced Learned Helplessness mind of chaos and flip it into a simple, private mind of self-control, self-mood manipulation and self-attiude adjustment. Tested over 25 years among professional pilots, actors, musicians, physicians, AND REGULAR PEOPLE.
Sting – Why Should I Cry For You – mean speed tempo graph