[Paladin2]

"A few moments into the turn, “we could see the train tilting approximately 10 degrees to the right,” he said. “and then the recording went blank.”

A glimpse into the data from the cab mounted forward looking video camera....

[NetAddicted]

Video shows train speeding up before derailment (no video in link)
http://www.cnn.com/2015/05/14/us/philadelphia-amtrak-train-derailment/