The reason thunder rumbles and lasts for several seconds is because the sound waves travel different distances and reflect off objects like clouds and the ground.
Dogs are sensitive to drops in barometric pressure that come with severe storms, and they can hear low frequencies that humans can't, like far-off thunder and earthquake rumbles.
（） The thunder rumbles.
Three blocks away a train rumbles by.
Then cried he, what rumbles and tumbles against my poor bones.
