According to Ohm's law for a portion of the circuit we have:
U=RI=>I=U/R=9/4=2.25 A
Change the 8 pounds to kilograms (divide it by 2.2). Then multiply the kg by the speed of light (300,000,000 m/sec) squared. You get a very big number. It's the number of joules of energy equivalent to 8 lbs of mass.
Well what are you comparing or try to pair together?