read the paragraph. then, add the best topic sentence. early looping roller coasters had loops shaped like…

read the paragraph. then, add the best topic sentence. early looping roller coasters had loops shaped like circles. these loops put a lot of force on riders as they flew around upside down. some riders even hurt their necks on the rides. after realizing this, ride makers created loops shaped like teardrops. these loops felt more gentle to riders and caused fewer accidents. roller coaster loops have a special shape to make them safer. the teardrop shape of a roller coaster loop is called a clothoid. the first looping roller coasters were built in europe. amusement parks are known for their rides and games.

read the paragraph. then, add the best topic sentence. early looping roller coasters had loops shaped like circles. these loops put a lot of force on riders as they flew around upside down. some riders even hurt their necks on the rides. after realizing this, ride makers created loops shaped like teardrops. these loops felt more gentle to riders and caused fewer accidents. roller coaster loops have a special shape to make them safer. the teardrop shape of a roller coaster loop is called a clothoid. the first looping roller coasters were built in europe. amusement parks are known for their rides and games.

Answer

Brief Explanations:

El párrafo habla sobre cómo la forma de los bucles de los montañas rusa ha evolucionado para ser más seguros, comenzando con los bucles circulares y pasando a los bucles en forma de lágrima. La mejor frase de tema resumen este enfoque en la seguridad a través de la forma de los bucles.

Answer:

Roller coaster loops have a special shape to make them safer.