The aircraft was traveling unusually fast as it neared Minneapolis, due to a stiff tailwind, according to one safety expert who has discussed what happened with a member of the crew.

• 一位安全专家说，随着临近明尼阿波利斯，受强烈顺风影响，飞机的飞行速度异常快。这位专家与其中一位飞行员谈论过所发生的事情。