Ashley walked up a hill and then down a hill. A roller coaster climbs

A
Ashley walked up a hill and then down a hill.
1
A roller coaster climbs a large hill. When it gets to
the top, it speeds down, passes through the station
and then goes up another hill.
5
John drove his car at a constant speed and then
slowed down and stopped at a stoplight. When the
light turned green, he sped up until he returned to his
previous speed.
2
John was driving in heavy traffic. As he took off
from a stoplight, he was able to increase his speed
until he came to another stoplight where he had to
brake and decrease his speed quickly. He came to
a stop and when the light turned green, he
increased his speed again.
6
Ashley increased her speed as she took off from a
stoplight until she saw another stoplight. When she
saw the next stoplight, she decreased her speed until
she came to a complete stop.
3
John took off from a stop light and increased his
speed until he reached the speed limit. He kept his
speed right at the speed limit until he passed a sign
saying the speed limit had increased so he sped up
again.
4
Thomas slowly increased his speed until he reached
the speed limit. After he reached the speed limit, he
drove his car at a constant rate of speed.
7
Ashley walked up a hill at a steady speed and then
increased her speed as she walked down the hill
8
1
13
9
12
4
15
5
10
14
7
6
18