The velocity of the belt for maximum power is
Here T = maximum Tension in belt
m = mass of belt/metre
1
\(\sqrt{\frac{\mathrm{T}}{3 \mathrm{~m}}}\)
2
\(\sqrt{\frac{\mathrm{T}}{4 \mathrm{~m}}}\)
3
\(\sqrt{\frac{\mathrm{T}}{5 \mathrm{~m}}}\)
4
\(\sqrt{\frac{\mathrm{T}}{6 \mathrm{~m}}}\)