PROPEL:

Answer: Option A

Jettison : throw or drop (something) from an aircraft or ship.
Burst : break open or apart suddenly and violently, especially as a result of an impact or internal pressure.
Acclimatize : become accustomed to a new climate or new conditions, adjust
Modify : make partial or minor changes to (something).
Drive : propel or carry along by force in a specified direction.
Propel : carry along by force in a specified direction.

Synonym of Propel is Drive.