The form of the verb plan in the sentence is active. Thus, the answer to this item is letter A. An active verb is when the subject is the clearly the "doer" of the action. From the sentence, the subject is I and is clearly the doer of the action which is planning.
Posotive acceleration is when an object speeds up or gains more speed in any direction. Negative acceleration is when an object looses speed or slows down in any direction.
