Answer:
the slope is negative since its going downward
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: should be 4.13
Step-by-step explanation: -12.4 divided by 3 is -4.13333333333 and goes on
 
        
             
        
        
        
Answer:
The first one
Step-by-step explanation:
 
        
             
        
        
        
Answer:
 .245 
Step-by-step explanation:
 brainliest pls thanks bro
 
        
                    
             
        
        
        
Answer:
See explanation and image attached
Step-by-step explanation:
Acceleration refers to the rate of change of speed with time. We can see that between 0 and 4.7 seconds he accelerated quickly . That means that the rate of change of speed with time was greatest between 0 and 4.7 seconds.
A graph of the motion is shown in the image attached. We can see that he maintained a constant speed after 4.7 seconds.