An explosion cuses debris to rise vertically with an initial velocity of 112 feet per second. The function st)=- 16+ 1121 describes the height of the debris above the ground, s, in feet, t seconds after the explosion a What is the instantaneous velocity of the debris 1 second after the explosion? 3 seconds after the explosion? &What is the instantaneourvelocity of the debris when it hits the ground? The instantaneous velocity of the debris 1 second after the explosion is feet per second.

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