Awave is produced from a vibrating string on a violin. two observers are standing 20 m and 40 m away from the musician. the observer who is farther away states that the violin sounds quiet, but the other observer disagrees. what best explains the different experiences of the two observers?

the energy of the sound wave increased as it moved away from the source.

the energy of the sound wave remained the same as it moved away from the source.

the energy of the sound wave decreased as it moved away from the source.

the energy of the sound wave increased then decreased as it moved away from the source.