Z: Math's Problem

Matthew, if...

If what?

If you're traveling at thirty miles an hour and the little girl who we
assume has the brain tumor we discussed, Medulloblastomas, and you
collide at 3.50; she being on her way home from school where she had
helped make a Tudor house out of matchsticks and your train leaves at
4.10 and let's say that thirty seconds is spent inspecting the scene,
deciding whether, having hit, to run, then at what speed, given that
the lady at the ticket counter, who as it happens is the girls mum,
(but this is not relevant because she won't get the call from the
hospital until 4.20; she'll arrive at 4.40, ten minutes too late but
clearly this is not a factor), let us say that it takes three minutes
to get your ticket from the girl's mum then at what, at what speed must
you travel to cover the seven miles to the station in order to catch
your train to Great Yarmouth?

Depends?

Depends on what?

Taking into account my guilt, the windscreen splatter, a potential
three point turn or at a push, a push over and what, apart from the
contents of her school bag, has spilled across the road? Perhaps a few
moments for me to retch might be necessary.