Question: A space probe is in a circular orbit around Sun at the mean Sun - Earth distance. The space probe is far away from Earth.

A space probe is in a circular orbit around Sun at the mean Sun-Earth distance. The space probe is far away
from Earth.
(a) What is the probe's speed based on force and acceleration? [3]
(b) Check your answer using the duration of a year and the length of the path that Earth travels in a year. [2].
(c) By what factor does the speed have to be increased for the space probe to leave the solar system?

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