You are on an oceanographic research expedition that began in San Juan, Puerto Rico on September 14. The ship left port at 0630 hr on 14 September and covered a distance of 1891 km to the first drill location (Site 1) where you are going retrieve a drill core of seafloor sediments. The ship arrived at the first drill site at 1800 hr on 16 September.

Calculate the rate of travel (i. e., speed) of the ship during its transit to the first drill site.