Here's a problem to solve: An object accelerates at 3 meters per second^2 when a 10-newton (N) force is applied to it. Which force would cause this object to accelerate at 6 meters per second^2?

Among the 4 following options, which is the correct answer?

- A: 5 N
 
- B: 10 N
 
- C: 20 N
 
- D: 30 N
 