Please please help me. I'd appreciate all the help! ^^

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?