You increase your walking speed from 1 m/s to 3 m/s in a period of 1 s.

What is your acceleration?
5 m/s2
2 m/s2
4 m/s2
3 m/s2

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

a and c

c is 100% but i am confused in a

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles