Example 3 by JP,KY & BJ

[i] Speed =  0.9

                  ____

                   1.69 m/s ≈ 0.533m/s

(Pictures adapted from Jun Peng's Macbook screenshots)

[ii]It can be changed when the tension is changed.

Yeo Jun Peng

Kang Yan

Ong Bing Jue