Final answer:
When an object is moving right and experiences a net force to the right, it will get faster.
Step-by-step explanation:
When an object is moving right and experiences a net force to the right, it will get faster (a).
This is because the net force is in the same direction as the object's motion, causing it to accelerate. Acceleration is the rate of change of velocity, so when the object experiences a net force in the same direction as its motion, its velocity increases over time, and it gets faster.