Is it possible to be fast and not be in a hurry?
Fast by definition is an adjective – meaning to act, moving, or capable of acting or moving quickly; swift.
Hurry defined is a verb – meaning to cause to move or act with undue haste; or to rush
One does not mean the same as the other
So, it is possible to be fast and not in a hurry.
If you can learn to do it well on a basketball court, it results in an aggressiveness that is nearly unstoppable.