A bicyclist is sitting on her bike on the side of the road when she sees her friend riding up behind her on his bike at a constant speed of 6.9 m/s. Just as he reaches her, she takes off and accelerates at 1.3 m/s2 until she catches up with him.
(a) How long does it take her to catch up with him?
(b) How far has she traveled in this time?
(c) What is her speed when she catches up with him?