article_snippet.sent: One passenger descended 28,000 feet in three minutes.
article_snippet.sent: It would feel like a roller coaster -- when you're coming over the top and you're going down," CNN aviation analyst Mary Schiavo said, describing how such a descent would feel.
article_snippet.sent: You know that these pilots knew these pilots were in a very grave and very serious situation.
highlights_snippet.sent: One passenger descended 28,000 feet in three minutes .