Which segment of this graph shows a decreasing velocity?

The segment of this graph that shows a decreasing velocity is the EF segment. AB and DE segments show that whatever was moving, in these segments was stopped. The segment BC shows an increase in velocity - the metres travelled were always more as the time went by. The segment CD shows that the velocity was constant during this period as the metres travelled were always constant as the time went by. EF is the segment that shows a decrease in velocity - at a certain point, the metres travelled started to be less for the same period of time - for example, from 80 to 90 secs, about 15 were travelled, while for the same amount of time, from 90 to 100 secs, only about 5 metres were travelled.

E and F is the correct answer

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