The view that elderly people need to remain active in a variety of social spheres is called the activity theory. It is one theory of aging that proposes older people are most happy when they are active and has social interactions. These activities would help these people to not think of the lost life roles after they retire. It assumes a relationship between life satisfaction and activity that is positive.
The correct answer is:
V=D/T
22 m/s = 6.5 m / T - divide distance by speed
T = 0.30 s
