Dixon is performing stunts for a show where he launches off from the edge of a ramp on his motorbike. the graph shown below traces the path of the bike while it is in the air, where y is the height of the bike above the ground and x is the horizontal distance from the edge of the ramp. five stages of the bike's path through the air are marked on the graph below.
select all the true statements about the graph.
the height of the bike changes at the same rate throughout the entire path.
the height of the bike changes more slowly at piece a than at piece d.
the height of the bike changes at the same rate at pieces a and b.
the height of the bike changes at the same rate at pieces b and d.
the height of the bike changes more quickly at piece a than at piece b.
the height of the bike changes at the slowest rate at piece c.