Question

what does it mean to have a running start?
jog in place for a few minutes before you get started.
start off slowly, but start to pick up speed.
start out with a lot of energy or a big push.
go as fast as possible so you burn out quickly.

Explanation:

The phrase "running start" means beginning with an advantage, often by starting with a lot of energy or momentum. Among the options, starting out with a lot of energy or a big push best captures this concept.

Answer:

Start out with a lot of energy or a big push.