Please can someone help me i want to check my answer can someone just formulate the question write only the initial and boundary condition thats all!!

I have some troubles with application problem because in k.s.c maths 3 book its direct!

A taut string of lengh l has its lengh x=0 and x=l fixed. The point where x=1/3l is drawn aside a small distance h and released at time t>0. obtain the displacement of the string at any subsequent time t>0