An object is propelled vertically upwand from the ground with an initial velocity of 88.2 m/s. The signed distance st of the object from the ground after f seconds is given by the position functions a)-4.9² +88.2 (a) What is the velocity of the object at time (7 (Express numbers in exact form. Use symbolic notation and fractions where needed.) z(x)= ma'l (b) When will the object reach its maximum height? (Usedocimal notation. Give an cxact answer) TH (c) What is the maximum height? (Use decimal notation. Give an exact answer) maximum beight (d) What the acceleration of the object at any time (Use decimal notation, Give an exact amor) 4(0) => (e) How long is the object in the air? (the decimal notation, Cive an exact answer) time in the air What is the velocity of the object upon impact with the ground? What is in speed (Use decimal notation. Givecxt answers) wacity spect P in What is the velocity of the object open impact with the ground? What is in p (the decimal nation. Give exact am) sport What is the tal se traveled by the object (Usedecimaltation Client)