Which scenario matches this graph?

Group of answer choices

I was driving at a steady 50 mph when I had to do an emergency stop.

My bath took 5 minutes including the time it took to fill it and let out the water. The depth of the water rose to 50 cm when I got in.

After setting off from the junction I sped up to 50 mph in 10 seconds.

The journey was 100 miles long. We travelled at a steady 50 mph and arrived after 2 hours