Q: 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'.
Problem: a can give b a start of 50 metres or 10 seconds in a kilometer race . how long does a take to complete the race ?
Options: a ) 200 seconds , b ) 140 seconds , c ) 220 seconds , d ) 190 seconds , e ) none
A:
d