Answer:
Speed = 68.75m/s
Step-by-step explanation:
Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.
Mathematically, speed is given by the equation;
![Speed = (distance)/(time)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/v62hzlc8kvghgea2xf57ctbocncxfcajti.png)
![S = (d)/(t)](https://img.qammunity.org/2021/formulas/physics/high-school/8z8gv4i5xcl2146cgmbulc8xsu4qvdfej6.png)
Given the following data;
Distance = 550m
Time = 8secs
Substituting into the above equation;
![S = (550)/(8)](https://img.qammunity.org/2021/formulas/physics/high-school/1vgfwa92zvs8qdfoloqhzs8np8898wixo2.png)
Speed, S = 68.75m/s