article_snippet: On Saturday afternoon, David Segre, who was standing in the crowded lift line, described the terrifying moment the machine started traveling backward, picking up speed by the second.
article_snippet: Scroll down for video .
article_snippet: It was like a gear had let loose and a gear was slowly picking up speed going the wrong way.
article_snippet: So all the chairs... all the chairs were slipping backward,' said the 42-year-old skier. '
article_snippet: Nearly down: On Saturday afternoon, Segre described the terrifying moment the machine started traveling backward, picking up speed by the second.
article_snippet: Scene: 'It was really scary.
article_snippet: It was like a gear had let loose and a gear was slowly picking up speed going the wrong way.
article_snippet: So all the chairs... all the chairs were slipping backward,' Segre said.
highlights_snippet: Began traveling down  
highlights_snippet: mountain backward, prompting riders to jump off .
  