A
The reason this is is because she the first sentence says that she believed that people would eat the mashed potatoes faster if they were brighter color.
Answer:

Explanation:
Starting from the equation:

First of all, let's multiply by t on both sides:

And then, let's divide by v on both sides:

So, finally

Gravitational forces are forces of attraction. It's like the Earth pulling on you and keeping you on the ground.