Relation between the speed of disc and hoop at the bottom of an incline is:

\[{V_{disc}} = \sqrt {\frac{3}{4}} {V_{hoop}}\]

\[{V_{disc}} = \sqrt {\frac{4}{3}} {V_{hoop}}\]

\[{V_{disc}} = \sqrt {\frac{2}{5}} {V_{hoop}}\]

\[{V_{disc}} = 2{V_{hoop}}\]