This should be all of them
Answer:
A, Acceleration.
Definition: increase in the rate or speed of something.
An adverb phrase is simply two or more words that act as an adverb.
It can modify a verb, adverb, or adjective and can tell “how”, “where”,
“why”, or “when.”
An adverb clause which also modifies verbs, adverbs and adjectives; but, an adverb clause also includes a subject and a verb.