E=420-7s the elevation E in meters of a skydiver s seconds after parachute is given by the equation above. What is the best interpretation of 420 as shown in this equation

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E = 420 - 7 s The elevation, E, in meters, of a skydiver s seconds after parachute activation is given by the equation above. What is the best interpretation of 420 as shown in the equation?

a) The skydiver started diving at an elevation of 420 meters.

b) The skydiver activated the parachute at an elevation of 420 meters.

c) The skydiver took 420 seconds after parachute activation to reach the ground.

d) The skydiver's elevation decreased by 420 meters per second after parachute activation.

Explanation:

Answers is that The skydiver's elevation decreased by 420 meters per second after parachute activation.