Padel is the world's fastest-growing sport, attracting investment from celebrities and major brands. What is it about this sport that makes it so attractive?We hear from professional players of the sport, and head to Sweden, where the Padel boom, and subsequent bust, might hold some lessons for other countries.(Image: Portuguese football player Cristiano Ronaldo plays Padel during an event in Singapore, 2023. Credit: Getty Images)Presented and produced by Daniel Rosney