If a person standing on a rotating disc stretches out his hands, the angular speed will ___________
(a) Increase
(b) Decrease
(c) Remains same
(d) Increases and then decreases
I got this question by my college professor while I was bunking the class.
My question is taken from Moment of Inertia and its Significance topic in portion System of Particles and Rotational Motion of Engineering Physics I