A 55 kg boy and a 42 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward...

A 55 kg boy and a 42 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 1.5 m/s 2 , determine the magnitude of the acceleration of the boy toward the girl. Answer in units of m/s 2