still no question there.
But the speed home is 7/3 the speed leaving
Let' s try it the right way this time. A person begins walking at noon one day from point A and
travels at a constant velocity along a straight line path to point B a distance D away, arriving at 7 pm
that evening. The very next day, the traveler leaves B at exactly noon, travels at a different constant
velocity along exactly the same path, arriving at A at 3 pm
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