Answer:
The word "rapidly" refers to the word "darted".
Explanation:
The use of the word "rapidly" in this sentence is an adverb. And adverbs describe or modify or add meaning to a verb, which, in this case, is "darted".
So, the word "rapidly" is used to describe the way the bunny darted. It helps the readers imagine and understand how fast the bunny was moving.
Thus, the word "rapidly" refers to the verb "darted".
