1. What goes up...

2. Escape Velocity: Factors

3. Black Hole

4. Torching a Black Hole

5. Black Hole Information

These are the only two factors that determine the escape velocity of a spherical object: the object's mass, and its radius.

Which of the following scenarios definitely results in an increase in the escape velocity of a spherical object?

Increasing mass, increasing radius.

Increasing mass, decreasing radius.

Decreasing mass, decreasing radius.

Decreasing mass, increasing radius.