[3 ACTOS] On your marks, set... go!

ACT I

This is the 200m race starting positions of the 2nd semifinal of the 2012 Olympics in London.

What question come to your mind? Let us focus on these ones: Why are they not aligned? How far apart are they?

• Write a guess that you know is too high. Write a guess you know is too low.
• Write an accurate guess.
• What data do you need to answer the question? What is your strategy?

ACT II

• Where does the runner in lane 1 start? What about the others?

ACT III

• http://www.brianmac.co.uk/tracklane.htm -- Link to calculate the distance run by each athlete in a full lap. Introduce the lane width and obtain the total length of a lap for each lane.
• http://www.altorendimiento.com/es/midetupotencial/calculadoras-de-resistencia-para-deportistas/2986-distancias-en-la-pista-de-atletismo -- Calculadora para la distancia de una vuelta completa en cada una de las calles. Introduce la anchura de las calles para obtener la distancia recorrida por vuelta en cada calle.

SEQUEL

En la final, los corredores más rápidos son situados en las calles centrales. ¿Por qué crees que se les coloca en esa posición? ¿Qué calle preferirías para correr?