Han and greedo fire their blasters at each other. the blasts are loud, and the intensity of the sound spreads through the cantina following the conservation of momentum inverse square law ohm's law newtons third law of momentum

The right option is; Inverse square law

The blasts are loud, and the intensity of the sound spreads through the cantina following the inverse square law.  

The inverse-square law states that a specific intensity or physical quantity is inversely proportional to the square of the distance from the source of that physical quantity. The law is usually demonstrated when there is outward uniform release of some energy, force, or other conserved substances from a single source in three-dimensional space.

total distance/total time

(85 + 82)/(5+3)

167/8

20 just over