Question 6 0.77 / 0.77 pts You're sitting at a bus stop, and a car is driving by. The car's speakers are playing a pure tone that its passengers perceive as having a frequency f. At the same time, a parked car nearby is playing a pure tone that you perceive has having the same frequency f . When the car is driving toward you, the tone from the car driving by combines with the tone from the parked car, and you hear a beat of frequency 6 Hz. When the car is driving away, you hear a beat of frequency 5 Hz. How fast is the car going in mph? There are about 1609 meters in a mile. 69.77