Angular Velocity refers to how fast an object rotates or revolves relative to another point.
Applicable units are those of quantitykind:AngularVelocity
https://en.wikipedia.org/wiki/Angular_velocity
https://cdd.iec.ch/cdd/iec61987/iec61987.nsf/ListsOfUnitsAllVersions/0112-2---62720%23UAD009
http://dbpedia.org/resource/Angular_velocity
The change of angle per unit time; specifically, in celestial mechanics, the change in angle of the radius vector per unit time.