A rocket is launched straight up, What is the acceleration at the top of the arc?

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration