A fighter jet lands on the flight deck of an aircraft carrier that has a length of 300.0 m. The jet must reduce its speed from about 153 km/h to exactly 0 km/h in 2.0 s. What is the jet’s acceleration?

Answer 1

a = -153/2 = -76.5 km/hr/s
But you probably want that in m/s, so
(-153km/hr * 1hr/3600s * 100m/km)/2.0s = -21.25 m/s