Two people have decided to use of a mountain trail to get some exercise. They start out from the parking lot at the bottom of the trail at the same time. Person 1 runs the trail at a constant speed v1 = 5 m/s. Person 2 walks the trail at a constant speed v2=2 m/s. Given that the people must return along the same path they climbed up, and given that the summit of the trail is _d- = 3 km from the parking lot, how far from the summit will the people be when they meet going in opposite directions? (Assume neither person pauses.)
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