A planet has mass m₁ and is at a distance r, from the sun. A second planet has mass m₂ = 10m₁ and at a distance of r₂ = 2r₁ from the sun. Determine the ratio of the gravitational force experienced by the planets.

A. 1 : 5
B. 2 : 5  
C. 3 : 5
D. 4 : 5

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Correct Answer: B