**Question: **
A particle travels along a straight line which passes through

and

. During the motion the velocity of the particle is

metres per second, where

seconds is the time measured from a certain instant. The particle passes through

when

and through

when

. Find, in terms of

, the acceleration of the particle and its distance from

at any instant during the motion. Calculate, also, the distance of

from

.

**My Answers:** **My Problem:**

I don't know how to do this part (don't even understand what it is saying

): 'Find...its distance from

at any instant during the motion'*. Can someone help? Thanks in advance.

*The answer is

.