The bus's position 
at time 
is
If we take the bus's rear's starting position to be the origin, then the position of the mate (?) is given by
The mate draws level with the rear of the bus when 
:
Drop the units to make things simpler:
So it would take 3 seconds for the mate to catch up to the bus.
The drug connects receptors that are only connected during sex, eating your favorite food, excising, etc. Therefore releasing <span>Endorphins. This makes you feel really good. Soon your brain will run out of </span><span>Endorphins since the drug makes it release them all at once making you need the drug to function (addiction).</span>
we can't describe "this blood flow" cause we can't see it.
