A 6.50 x 10-5 H solenoid is constructed by wrapping 84 turns of wire around a cylinder with a cross-sectional area of 9.5 x 10-4 m2. When the solenoid is shortened by squeezing the turns closer together, the inductance increases to 8.30 x 10-5 H. Determine the change in the length of the solenoid.