An object is moving east, and its velocity changes from 65 meters per second to 25 meters per second in 10 seconds. Which describes the acceleration?
A
negative acceleration of 4 the fraction with numerator m and denominator s squaredB
positive acceleration of 4 the fraction with numerator m and denominator s squaredC
positive acceleration of 9 the fraction with numerator m and denominator s squaredD
negative acceleration of 9 the fraction with numerator m and denominator s squared