GATE Civil Engineering (CE) 2022 Shift 2 Solved Paper

Two discrete spherical particles (P and Q) of equal mass density are independently released in water. Particle P and particle Q have diameters of 0.5 mm and 1.0 mm, respectively. Assume Stokes’ law is valid.
The drag force on particle Q will be________ times the drag force on particle P. (round off to the nearest integer)