[Morepower (Craig)]

I was watching a doco the other night where they had a hypothetical train that circled the Earth at the speed of C. They said the passangers on the train travelled non stop for a week, but the people on the Earth experienced the train travelling for 100 years ? My question is if you were fuelling the train would you put a weeks worth of fuel in it or 100 years worth ?

Thanks
craig