a package with a thermometer attached to the outside is released at the surface of the ocean (see sketch below). the package sinks with a constant velocity of 0.27 ft/sec. the package starts sinking when released at the surface of the ocean. the displacement of the package is defined by y(t) which has units of feet, and t is time. the temperature of the water is wt in units of of and is given by the equation below where the constant a