The figure shows an Atwood machine (a wheel suspended from the ceiling with two masses connected by a string) with m1 = 1.0 kg and m2 = 1.1 kg. If m2 descends a distance 3m from rest in 3.6 seconds.

1) what is the strength of the gravitational field, g, at this location (N.B. it's not 9.81 N/kg)?