Pete and Sue, two reckless teenage drivers, are racing eastward along a straight stretch of highway. Pete is traveling at  88.0 km/h,  and Sue is chasing him at  117 km/h.  (Indicate the direction with the sign of your answer. Take east to be the positive direction.) (a) What is Pete's velocity with respect to Sue? (b) What is Sue's velocity with respect to Pete? (c) If Sue is initially 300 m behind Pete, how long will it take her to catch up to him?

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