Consider two celestial objects with masses m$1$ and m$2$ with a separation distance between their centers r$.$

If the first mass m$1$ were to double, what would happen to the magnitude of the force of attraction?

Group of answer choices

It remains unchanged.

It decreases by a factor of $2.$

It decreases by a factor of $4.$

It increases by a factor of $4.$

It increases by a factor of $2.$