The initial speed of a bicycle at the top of a hill is 5.3 m/s. The bicycle accelerates downhill at 1.3 m/s2 for 8.0 seconds. What is the bicyclist's speed at the bottom of the hill?

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.