Slow and hard.
The opposite of fast wind would be calm or still air.
The answer is easy. I can't believe you didnt know that because for me it was easy get it? Easy! Ha hahahaha!
fast
The opposite would be easy, or simple, or uncomplicated.
A easy question
The opposite would be easy, or simple, or uncomplicated.
The answer is easy.
it won't be fast or easy unless you have a master ball
have an easy fast = tsom kal (צום קל)
Fast forward.
Rewind.
The opposite of simple (uncomplicated) would be "complex." The opposite of simple (easy) is "difficult."