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The terminal speed of a sphere of gold (...

The terminal speed of a sphere of gold (density = 19.5 kg `m^(-3)`) is 0.2 `ms^(-1)` in a viscous liquid (density = 1.5 kg `m^(-3)`). Then, the terminal speed of a sphere of silver (density = 10.5 kg `m^(-3)`) of the same size in the same liquid is

A

`0.4 ms^(-1)`

B

`0.133ms^(-1)`

C

`0.1 ms^(-1)`

D

`0.2 ms^(-1)`

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