Coming off their thrilling overtime win over the Packers, the Redskins stayed at home for a Week 6 interconference duel with the Indianapolis Colts on Sunday night.  Washington trailed early in the first quarter as Colts quarterback Peyton Manning completed a 57-yard touchdown pass to wide receiver Pierre Gar&#231;on.  The Redskins answered with a 9-yard touchdown run from running back Ryan Torain.  Indianapolis struck back in the second quarter as Manning threw a 5-yard touchdown pass to wide receiver Austin Collie, followed by kicker Adam Vinatieri's 43-yard field goal. Washington began to claw back into the game in the third quarter as Torain got a 1-yard touchdown run, but the Colts continued to flex their offensive muscle as running back Joseph Addai got a 13-yard touchdown run.  The Redskins continued to stay close as kicker Graham Gano booting a 39-yard field goal.  In the fourth quarter, Indianapolis continued to add onto their lead as Vinatieri made a 33-yard field goal.  Washington tried to rally as quarterback Donovan McNabb hooked up with running back Keiland Williams on an 8-yard touchdown pass, but the Colts' defense would prevent any further progress.
Question: How many yards longer was the second rushing touchdown scored relative to the first?
Answer: 15