The highest note on a viola (a musical instrument which is a member of the violin family) is found on the A string, which has a fundamental frequency of 440 Hz. The tension of this A string is 128 N and the mass per unit length is 1.21 g m-1.
(i) Determine the speed of a wave on this string.
(ii) Hence find the fundamental wavelength and the length of this A string on the viola.