CNN CNN Newsroom With Carol Costello May 15, 2015 13:06:00
Miles per hour and 12 seconds later the train hit 90 miles per hour and 15 seconds after that it topped 100 miles per hour. that's when the engineer bostian, slammed on the brakes. what could it mean? with me now, peter goelz. based on what we know and your experience at the ntsb what could the sudden acceleration mean? >> that's why the interview with the engineer will be so quickly. it's not a cross-examination, and it's not a adversarial situation. the ntsb doesn't work like that. they will ask, what do you remember? sometimes they will ask him to write it down. they will ask questions, can...