Air resistance is an upward force, so it subtracts from the force of gravity. If two objects are falling, then the one with less air resistance feels more of the force of gravity, and falls with greater acceleration. (True)
This is not "free fall". The definition of 'free fall' is the situation where the ONLY force on the object is the force of gravity. If there's any air resistance, then it's not 'free fall'.
