Wild Inside Radio 4, 11am

Professor Ben Garrod (right) and veterinary surgeon Jess French examine the cheetah.

They reveal that although its rear muscles, large heart and nostrils enable it to achieve record-breaking accelerations, over long distances, it risks total exhaustion and loss of prey.

In Free Thinking (Radio 3, 10pm), Lucinda Coxon, Steve Waters and Kare Conradi join presenter Anne McElvoy to explore the ways in which Ibsen’s characters and dramas still resonate.

The Philharmonia opens its new season with Icelandic pianist Vikingur Olafsson playing John Adams, plus works by Anna Clyne and Mahler in Radio 3 In Concert (Radio 3, 7.30pm).