Answer
Increases
Work Step by Step
We know that when the beetle walks toward the axis of rotation, the momentum of inertia of the system decreases and since the angular momentum ($L=I\omega$) is constant, the angular speed $\omega$ increases.
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 11 - Rotational Dynamics and Static Equilibrium - Problems and Conceptual Exercises - Page 371: 89
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