Solve this:
Q.16. If the terminal speed of a sphere of gold [density = 19.5 g/$c{m}^3$] is 0.2 m/s in a viscous liquid [density = 1.5 g/$c{m}^3$], find  the terminal speed of a sphere of silver [density = 10.5 g/$c{m}^3$] of the same size in the same liquid.
(a) 0.133 m/s
(b) 0.1 m/s
(c) 0.2 m/s
(d) 0.4 m/s