What is speed? science

a. time per distance (hours per mile or seconds per meter)

b. distance per time ( miles per hour or meters per second)

c. time ( hours or seconds)

d. distance ( miles or meters)

second questions

which of the following is an example of velocity?

a. 10m/s to the right

b. 10 m/s

c. 10

d. 10 m to the right