While filming an intense action sequence for the next James Bond movie, a controlled explosion detonates$1\mathrm{.}3$ kmkm away from the actors.$$ If the speed of sound through solid rock is $3000$ m$/$s on average, the actors will feel the explosion before they hear it$.$ How much time will pass between when they feel the explosion and when they hear it$?$ Assume room temperature $(20$oC$).$