I wanted someone to look over my work to see if my answers are correct.

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A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.5m/s. Two seconds later the bicylicts hops on his bike and accelerates at 2.4m/s^2 until he catches his friend.

(a) How much time does it take until he catches his friend?

(b) How far has he traveled in this time?

(c) What is his speed when he catches up?