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Thank you so much for your answer)The closer a body gets to a massive object (Sun) the faster it travels. It's similar to how a magnet works, the closer iron is to a magnet the harder it's pulled toward it.
We call this action of attraction for planets and such "gravity" but we don't fully understand just what it is. But we do know to an exact degree how it behaves.
Since objects in freefall will travel much faster near the Sun then they would only avoid crashing if they orbit much faster than those objects far from the Sun.
Here below is a python program which calculates weights of two different objects at different distances. It could answer this question here.While I was chatting on some space forum, I`ve bumped into one interesting question. And I decided to post it here.
Why do different planets orbit the Sun faster? Not distance but speed. If you have some ideas, please share your information with me
# Python Program to Calculate Gravitational Force
# setting value of Gravitational Constant
# Reading weight and distance
while True:
G = (.00000000006674)
m1 = int(input('Enter weight of first body (Kg): '))
m2 = int(input('Enter weight of second body (Kg): '))
r = int(input('Enter distance (m): '))
# Calculating Gravitational Force
F = (((G * m1) * m2) / r**2)
# Displaying result
print(m1,'Weight of First Body Kg')
print(m2,'Weight of Second Body Kg')
print('{0:.100f}'.format(F),'Gravitational Force')
print('{0:.14f}'.format(G),'Gravitational Constant')