When a 125-kg piece of equipment is hung from a steel wire of length 75 cm, it stretches the wire by 4.00 mm. If instead the wire had a length of 150 cm, but all else were the same, by what distance would the same equipment stretch the wire?

a. 16.0 mm
b. 8.00 mm
c. 4.00 mm
d. 2.00 mm
e.1.00 mm