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a = (Vf - Vi)/t ; where distance d = [2(t)]/(4+t), t = 5secs, and Vi = 0 
a = [(2t)/(4+t)]/t <---- working equation
a = {[2(5)]/9}/5 <---- cancel 5
a = 2/9 ft/s^2 <---- Answer
        
             
        
        
        
Cumulonimbus clouds are at a high level in the sky 
        
             
        
        
        
Answer:
The volume of 3200 kg of petrol is 4 m^3.