hello! i believe it would be A.
A control is B, standard for comparison. This is used to compare for example plants and using different fertilizers and then have one with no fertilizer. Controls are basically just a base to the entire experiment
I hope this helps you!:)
Answer:
The supersonic jet has a greater acceleration
F = ma
double f and m gives
(2f) = (2m)a
notice a is unchanged = 2.2
m/s^2