The spacecraft's descent module descends vertically onto the surface of the planet at a constant speed, transmitting external pressure data to the spacecraft. A graph of pressure (in arbitrary units) versus time is shown in Figure 7.2. Once on the surface of the planet, the device measured and transmitted on board data on the temperature T = 700 K and the acceleration of gravity g = 10 m/s2. The planet's atmosphere consists of carbon dioxide (CO2). Determine the descent speed of the vehicle and the temperature of the atmosphere at an altitude of 15 km above the surface of the planet.
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