Actually, she's on foot ;)
Hippolyta now looked at the man for the first time and her eyes widened, her mouth opening to speak but words couldn't come out.
No, she'd wanted to avoid him. She'd wanted to stay very far away from Theseus! His presence hit her like a punch and Hippolyta cleared her throat, then she tore her eyes from Theseus (with great effort) to look at the shopkeeper. "Sir, are you sure this is the man who took these things? He says there was someone else - are you sure you haven't gotten him confused?"