According to the Henry Cavendish experiment conducted in 1797-1798, what was the
value of the universal constant of gravity?

A

$$7.75 \times 10^{-13} N m^{2} /kg^{2}$$

B

$$5.75 \times 10^{-10} N m^{2} /kg^{2}$$

C

$$6.75 \times 10^{-11} N m^{2} /kg^{2}$$

D

$$3.75 \times 10^{-9} N m^{2} /kg^{2}$$