They travel the way the wind is blowing and also towards the shoreline
Answer:
T = 4 sec / 2 = 2 sec period of revolution
S = 2 pi R = 2 * pi * 1.75 m = 11 m
V = S / T = 11 m / 2 sec = 5.5 m/s speed of object
You didn't attach the figure. Your text is incomplete. And you never got around to asking a question. Other than that, we're on it.