A ball is thrown upwards. 
> What effect does the force of gravity have on the ball ?? 
A. It produces a constant acceleration downwards. 
B. It produces a constant acceleration upwards. 
C. It produces a decreasing acceleration upwards. 
D. It produces an increasing acceleration downwards. 
Plz plz plz help me 
I will mark brainliest 
                                             
                                          
                                          
                                        
											 
			                  