Answer:
The ball would falling back with a speed of 13.28 m/s.
Step-by-step explanation:
writing the equation of motion:
v = u + at
where v is the final velocity, u is the initial velocity.
Given u = 22 m/s, t = 3.6 s, and g = -9.8 m/s
since g is in opposite direction of velocity it would be negative.
substituting the values in the equation;
v = 22 -

therefore v = -13.28 m/s