\fPart A Use the last expression for y(x, () to find an expression for the transverse velocity v, of a particle in the string on which the wave travels Express your answer in terms of the variables , v. ), r, t, and appropriate constants. AEQ O Submit Request Answer Part B Find the maximum speed of a particle of the string Express your answer in terms of the variables A, v. X. I, f, and appropriate constants. u VO AEd 0 0 ? SUDITMI Bequest