Zoologists studying the ecology of the Serengeti Plain estimate that the average adult cheetah can (95 + X.Y) km/hr, and the run 65 km/hr. If the animals run along the run average antelope can same straight line, start at the same time, and are each assumed to have constant acceleration and reach top speed in 4 secs, how close must a cheetah be when the chase begins to catch an antelope in 15 secs?

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