Taking a year as 52 weeks, the weekly interest rate to be compounded is 5.75/52=0.110577%=0.00110577.
Using the formula growth (yield)=(1+r)ⁿ, where r is the rate and n the number of periods (weeks).
So the yield=1.00110577⁵²=1.05915 approx, that is, 5.92% over the year.