From Philly.com:
Right before its fatal derailment on Tuesday night, Amtrak Train 188 accelerated significantly as it approached the Frankford Junction curve, the National Transportation Safety Board said Thursday.
In barely a minute, its speed jumped from 70 m.p.h. to 102 m.p.h. three seconds before the crash, said NTSB member Robert Sumwalt at a news briefing.
The speed limit in that area is 50 m.p.h. Sumwalt said it was unclear whether the engineer, identified as Brandon Bostian, 32, of Forest Hills, N.Y., had accelerated manually, but it was known that he did attempt to deploy the emergency brake.
Bostian’s attorney has told ABC-TV that his client had no memory of the crash.
