A particle is dropped vertically from rest from a height. The time taken by it to fall through successive distances of 1 m each, will then be

all being equal to $\sqrt{2/9}$ second

in the ratio of the square roots of the integers 1,2,3,..

in the ratio of the difference in the square roots of the integers is $\sqrt{1},\left(\sqrt{2}-\sqrt{1}\right),\left(\sqrt{3}-\sqrt{2}\right),\left(\sqrt{4}-\sqrt{3}\right)...$

in the ratio of the reciprocal of the square roots of the integers is $\left(\frac{1}{\sqrt{1}},\frac{1}{\sqrt{2}},\frac{1}{\sqrt{3}},\frac{1}{\sqrt{4}}\right)$