The pressure, measured in Pascals (abbreviated Pa) on a certain object B is proportional to the temperature measured in degrees Kelvin (degK), and inversely proportional to the volume of B in cubic meters: [math] where [math] is a physical constant that depends on B and converts the units to Pascals. In this problem it is [math] Suppose the temperature and the volume both depend on time, hence so the does the pressure: [math]. At time [math] seconds the temperature of B is [math] and is increasing at a rate of [math], and the volume is [math] and is increasing at the rate [math].

Using the quotient rule, the pressure on the object is changing at the rate
Your answer should include units.