Schnelligkeit

Etymology
From, an extended form of Middle and 🇨🇬. Equivalent to. The simpler form is now substandard, but may still be heard (chiefly as an ad-hoc formation); compare 🇨🇬.

Noun

 * 1) speed, velocity, rapidness, quickness state/degree of moving or proceeding fast
 * 2)  speed, the ability to move, especially run, fast
 * 1)  speed, the ability to move, especially run, fast
 * 1)  speed, the ability to move, especially run, fast

Usage notes

 * tends to imply high speed while is the more general word for any speed. Nevertheless one can also say  or the like. In the sport context,  is preferred (even if the person happens to be quite slow).