A Sewing Machine Needle Moves Up and Down in Simple

Multiple Choice

A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What is the maximum speed of the needle?

A) 3.18 cm/s
B) 4.51 cm/s
C) 20.3 cm/s
D) 10.1 cm/s
E) 6.36 cm/s