4 ms·

The universal speed limit applies to the 1st derivative of position, and we have nerve endings that can "feel" the second derivative, which seems to be a pretty

The universal speed limit applies to the 1st derivative of position, and we have nerve endings that can "feel" the second derivative, which seems to be a pretty important one!

TuringNYC 4y ago
more crudely, i'd say..."you feel the second derivative in your gut"
- dqft 4y ago
  And race car drivers with their butt.