Final answer:
The word "anticipation" in the sentence means 'Expectation' as it describes the feeling of looking forward to experiencing potential energy on the hilltop before the descent.
Step-by-step explanation:
The word "anticipation" in the given sentence means C) Expectation. Anticipation refers to the feeling of looking forward to something with excitement or eagerness. In the context of the sentence, it implies the excitement or eagerness of experiencing the potential energy when pausing on the hilltop before the rush of flying down. It is not merely about being present (Participation) or the length of time something lasts (Duration), and it certainly isn't Celebration which denotes commemorating something. Instead, it's about the emotional state of expecting an enjoyable experience.