Detailed Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: a jeep takes 9 hours to cover a distance of 480 km. how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ?
Options: a. 48 kmph, b. 52 kmph, c. 35 kmph, d. 63 kmph, e. 65 kmph
A:
c