The dog is 32.5 m behind the student and running at 6.74, Ask an Expert

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A student is being chased by a rabid dog, he is running in a straight line toward his car at a speed of 5.39 m/s. The car is a distance d away. The dog is 32.5 m behind the student and running at 6.74 m/s. The tourist reaches the car safely. What is the maximum possible value for d?

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