Which situation could this graph represent?

a. speed of a car starting from a stop sign and then approaching a stoplight
b. riding your bike slowly up a steep hill and then quickly down the other side
c. total rainfall during a rainy day
d. temperature as the weather changes from rainy to snowy

Which situation could this graph represent a speed of a car starting from a stop sign and then approaching a stoplight b riding your bike slowly up a steep hill class=