A manned earth-to-orbit vehicle is designed so that its acceleration never exceeds 29.8 m/s in its ascent. Due to training a orange advanced crew escape suit will never weigh more than 248 lbs. How much weight must an astronauts launch seat be designed to hold during take off ?(in Newtons)

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.