Part B: What happens to the speed of Mercury as moves closer to the Sun in its orbit? It speeds up

It slows down

Its speed remains constant throughout its orbit

It speeds around the Sun every 88 days, traveling through space at nearly 29 miles (47 kilometers) per second, faster than any other planet. Mercury spins slowly on its axis and completes one rotation every 59 Earth days.

pie chart because it is in percents ( % )