Definition: In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Input: Problem: a circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter . if the smaller rim makes x revolutions per second , how many revolutions per second does the larger rim makes in terms of x ?
Options: ['a ) 4 x / 5', 'b ) 75 x', 'c ) 48 x', 'd ) 24 x', 'e ) x / 75']
Output:
a