derek skyler brux , 22 , unhitched a pair of locomotives and took them on a high-speed run 13 miles down one of the busiest tracks in the country .
he then crashed into an inactive train at 10mph before backing up and doing it again before he was stopped by a rail link employee .
brux was a utility coal operator at the north antelope rochelle mine .
he must also pay $ 63,000 in restitution to rail link .