Figure 1. LEFT to RIGHT a) Cart push on level slope slowing down at constant negative acceleration) b) Cart on slope speeding up at constant acceleration and c) Bouncing ball, complex accelerating motion divided into phases

From

Video Analysis and Modeling Performance Task to Promote Becoming Like Scientists in Classrooms

Loo Kang Wee, Tze Kwang Leong

American Journal of Educational Research. 2015, 3(2), 197-207 doi:10.12691/education-3-2-13