A person riding a rollercoaster emits a scream while the car is traveling along a straight section of the track. The person sitting next to them perceives a scream frequency of 363 Hz, while a stationary observer standing in front of the track hears a frequency of 398 Hz. What is the speed of the rollercoaster? a) 26.0 m/s b) 28.0m/s c) 22.0m/s d) 20.0m/s e) 24.0m/s

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