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A bicycle with 0.86-m-diameter tires is coasting on a level road at 5.87 m/s. A small...

A bicycle with 0.86-m-diameter tires is coasting on a level road at 5.87 m/s. A small blue dot has been painted on the tread of the rear tire. What is the angular speed of the tires? What is the speed of the blue dot when it is 0.86 m above the road? What is the speed of the blue dot when it is 0.43 m above the road?

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