Cassie looks down while sitting at the top of the ferris wheel. cassie immediately feels her heart start to pound. she's confused by this response until she remembers her last experience on a ferris wheel. during that experience, the wind started to blow, the seats began to rock, and cassie thought she was going to die. she realizes her heart is pounding because she is afraid. this best reflects the schachter-singer theory of emotion, also called the theory.