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A car horn produces a sound with a frequency of 400 Hz. The horn is sounded while the car is moving down the street in the same direction as a bicycle which is ahead of the car. The bicyclist is moving down the street with 1/4.29 the speed of the car and hears a frequency of 432 Hertz. Determine the speed of the car (in m/s). The speed of the sound is 341 m/s.

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