i am stuck on the last question please show each step and explain so i can understand the material and study some more thank you for your time

Discussion 2.pdf Question 2-4 A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a 1.0-m-long rope and whirling it around her head in a horizontal circle at 100 rpm. What are the highest and lowest frequencies heard by a student in the classroom? m 35AM 132.: 202: .. :3 [.1