CNN CNN Newsroom With Brooke Baldwin May 15, 2015 18:07:00
The locomotive itself. this is the train brake. this controls the brakes on the train itself. the headlight switch is here. and this is the belt switch. then the horn right here. >> okay. now that you've been to through that let me back you up to the first thing i think you pointed out, the accelerator. now that we know this train did accelerate, i want you to show me exactly how one would accelerate a train. we're trying to figure out how this could have happened going there this curve. >> so in order to accelerate a train, you'd have to physically open the throttle out like so. during accele...
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