Noun
Rapidity of motion; quickness; swiftness.
Source: Webster's dictionaryCelerity is never more admired than by the negligent. Cleopatra VII
Celerity is never more admir'd than by the negligent. Antony and Cleopatra
The celerity and safety with which this boat descends and ascends the currents of these mighty waters, the improvement of the navigation of which is so advantageous to the western world, must be equally interesting to the farmer and the merchant. Source: Internet
The construction of the Palace is so devised that it can be taken down and put up again with great celerity; and it can all be taken to pieces and removed whithersoever the Emperor may command. Source: Internet
The drag interaction pulls on the bottom of the wave, causes refraction, increases the height, decreases the celerity (or the speed of the wave form), and the top (crest) falls over. Source: Internet