Plz !

tina is going for a bike ride. when she leaves her house, she starts pedaling and her speed steadily increases for a while. then she coasts for a while at a constant speed before she slows down at a steady pace and comes to a complete stop at a stop sign. she waits at the stop sign until it is her turn to go. when she starts pedaling again, her speed steadily increases at a faster pace than it did before until she gets tired and steadily slows down to a complete stop.

which graph represents tina’s bike ride?