|you throw a rock upward. the rock is moving upward, but it is slowing down. if we define the ground as the origin, the position of the rock is and the velocity of the rock is:

1 a

2 b

3 b

4 d

5 d

6 d

explanation:

d is the correct answer

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.